DE69407207D1 - Hydrodynamic bearing with hydrostatic carrier at low speeds - Google Patents
Hydrodynamic bearing with hydrostatic carrier at low speedsInfo
- Publication number
- DE69407207D1 DE69407207D1 DE69407207T DE69407207T DE69407207D1 DE 69407207 D1 DE69407207 D1 DE 69407207D1 DE 69407207 T DE69407207 T DE 69407207T DE 69407207 T DE69407207 T DE 69407207T DE 69407207 D1 DE69407207 D1 DE 69407207D1
- Authority
- DE
- Germany
- Prior art keywords
- low speeds
- hydrodynamic bearing
- hydrostatic
- hydrostatic carrier
- carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000002706 hydrostatic effect Effects 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
- F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/028—Sliding-contact bearings for exclusively rotary movement for radial load only with fixed wedges to generate hydrodynamic pressure, e.g. multi-lobe bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/047—Sliding-contact bearings for exclusively rotary movement for axial load only with fixed wedges to generate hydrodynamic pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/1075—Wedges, e.g. ramps or lobes, for generating pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Turning (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Support Of The Bearing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/042,201 US5462364A (en) | 1993-04-02 | 1993-04-02 | Variable speed fluid bearing and method of use |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69407207D1 true DE69407207D1 (en) | 1998-01-22 |
DE69407207T2 DE69407207T2 (en) | 1998-04-02 |
Family
ID=21920605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69407207T Expired - Fee Related DE69407207T2 (en) | 1993-04-02 | 1994-03-15 | Hydrodynamic bearing with hydrostatic carrier at low speeds |
Country Status (4)
Country | Link |
---|---|
US (1) | US5462364A (en) |
EP (1) | EP0618377B1 (en) |
CA (1) | CA2120467C (en) |
DE (1) | DE69407207T2 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5921731A (en) * | 1996-12-31 | 1999-07-13 | The Ingersoll Milling Machine Company | High speed hydrostatic spindle |
US6036413A (en) * | 1997-01-02 | 2000-03-14 | The Ingersoll Milling Machine Company | High speed hydrodynamic spindle |
AUPS186802A0 (en) * | 2002-04-22 | 2002-05-30 | Odyssey Technology Pty Ltd | Oscillating disc cutter with speed controlling bearings |
US8646979B2 (en) * | 2007-09-13 | 2014-02-11 | Elka Precision, Llc | Hybrid hydro (air) static multi-recess journal bearing |
DE102009012398B4 (en) * | 2009-03-13 | 2013-11-28 | Blohm + Voss Industries Gmbh | Radial plain bearing and method for lubricant supply |
US20120110818A1 (en) * | 2010-11-05 | 2012-05-10 | Leonid Kashchenevsky | Machine for rotating a part and method for doing the same |
TWI612232B (en) | 2013-10-25 | 2018-01-21 | 財團法人工業技術研究院 | The device of the axle oil chamber of hydrostatic spindle |
JP7312612B2 (en) * | 2019-05-31 | 2023-07-21 | 三菱重工業株式会社 | oil field pump |
CN111842942B (en) * | 2020-06-05 | 2021-09-21 | 广州市昊志机电股份有限公司 | Air supporting main shaft and lathe |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5298848A (en) * | 1976-02-17 | 1977-08-19 | Toyoda Mach Works Ltd | Fluid bearing |
CH636679A5 (en) * | 1979-03-01 | 1983-06-15 | Sulzer Ag | HYDROSTATIC BEARING FOR A RADIAL PISTON MACHINE. |
US4244279A (en) * | 1979-06-22 | 1981-01-13 | General Motors Corporation | Hydrostatic transmission lubrication |
FR2507265A1 (en) * | 1981-06-05 | 1982-12-10 | Technip Cie | DEVICE FOR FACILITATING MOVEMENT BETWEEN TWO ORGANS, SUCH AS A BEARING OR A STOP, WITH OSCILLATING SKATES |
US4490054A (en) * | 1983-03-21 | 1984-12-25 | Cincinnati Milacron Inc. | Machine tool bearing system |
DE3332357C1 (en) * | 1983-09-08 | 1985-04-04 | Klein, Schanzlin & Becker Ag, 6710 Frankenthal | Hydrostatic-hydrodynamic hybrid multi-surface radial bearing |
US4693642A (en) * | 1986-07-02 | 1987-09-15 | General Motors Corporation | Line boring apparatus |
GB2213209B (en) * | 1987-12-26 | 1991-11-13 | Honda Motor Co Ltd | Bearing arrangements |
NL8800656A (en) * | 1988-03-17 | 1989-10-16 | Philips Nv | STATIC BEARING. |
US5010794A (en) * | 1990-02-05 | 1991-04-30 | Klager Earl E | Hydrostatic spindle device |
US5017023A (en) * | 1990-05-24 | 1991-05-21 | Rockwell International Corporation | Asymmetrically stepped hydrostatic bearing |
-
1993
- 1993-04-02 US US08/042,201 patent/US5462364A/en not_active Expired - Lifetime
-
1994
- 1994-03-15 EP EP94301834A patent/EP0618377B1/en not_active Expired - Lifetime
- 1994-03-15 DE DE69407207T patent/DE69407207T2/en not_active Expired - Fee Related
- 1994-03-29 CA CA002120467A patent/CA2120467C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2120467C (en) | 2006-10-17 |
MX9402214A (en) | 1997-07-31 |
EP0618377B1 (en) | 1997-12-10 |
EP0618377A2 (en) | 1994-10-05 |
US5462364A (en) | 1995-10-31 |
DE69407207T2 (en) | 1998-04-02 |
CA2120467A1 (en) | 1994-10-03 |
EP0618377A3 (en) | 1994-12-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: THE INGERSOLL MILLING MACHINE CO., ROCKFORD, ILL., |
|
8328 | Change in the person/name/address of the agent |
Free format text: MEISSNER, BOLTE & PARTNER, 80538 MUENCHEN |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: FORD-WERKE GMBH, 50735 KOELN, DE Owner name: THE INGERSOLL MILLING MACHINE CO., ROCKFORD, ILL., |
|
8339 | Ceased/non-payment of the annual fee |